CN110815108A - Electric wrench for mounting electric power steel pipe pole - Google Patents
Electric wrench for mounting electric power steel pipe pole Download PDFInfo
- Publication number
- CN110815108A CN110815108A CN201911160609.4A CN201911160609A CN110815108A CN 110815108 A CN110815108 A CN 110815108A CN 201911160609 A CN201911160609 A CN 201911160609A CN 110815108 A CN110815108 A CN 110815108A
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- Prior art keywords
- rotating
- gear
- steel pipe
- electric
- fit
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
Abstract
The invention discloses an electric wrench for mounting an electric steel pipe rod, which comprises a protective cover, a storage battery, a machine base, a motor, a coupler, a transmission frame, a sleeve seat, a screwing head, a control switch and a charging interface.
Description
Technical Field
The invention relates to the field related to electric power steel pipe poles, in particular to an electric wrench for installing an electric power steel pipe pole.
Background
The electric power steel pipe is a steel material with two open ends and a hollow cross section, and the length of the steel material is larger than that of the periphery, and the steel pipe can be divided into a seamless steel pipe and a welded steel pipe according to the production method, the specification of the steel pipe is represented by the external dimension (such as external diameter or side length) and the wall thickness, the dimension range is wide, the steel pipe can be used from a capillary tube with a small diameter to a large-diameter pipe with the diameter of several meters, and the steel pipe can be used for pipelines, thermal equipment, mechanical industry, petroleum geological exploration, containers, chemical industry and special.
Need connect each part fixedly with the bolt in the installation of electric power steel pipe pole, in order to save time raise the efficiency, generally adopt electric spanner to carry out the operation, but the electric spanner of prior art inconveniently uses in the contained angle gap department of steel pipe pole, makes electric spanner's operation produce inconveniently, has influenced work efficiency simultaneously.
Disclosure of Invention
Therefore, in order to solve the above-mentioned disadvantages, the present invention provides an electric wrench for mounting an electric power steel pipe pole.
The invention is realized in such a way that an electric wrench for mounting an electric steel pipe rod is constructed, the electric wrench comprises a protective cover, a storage battery, a machine base, an electric motor, a coupler, a transmission frame, a sleeve seat, a screwing joint, a control switch and a charging interface, the storage battery is embedded in the protective cover, the right side of the protective cover and the machine base are of an integrated structure, the electric motor is fixedly locked in the machine base through screws, the output end of the right side of the electric motor coaxially rotates with the transmission frame through the coupler, the right side of the machine base is fixed with the sleeve seat, the control switch is arranged on the right side of the top of the machine base, the charging interface is arranged on the left side of the top of the protective cover, the electric motor, the control switch and the charging interface are all electrically connected with the storage battery, the charging interface is electrically connected with the, The rotary rack comprises a rotary rack, an end face gear, a pinion, a shaft rod, a limiting column, a circular cover and a clamping head, wherein the left side of the support is in running fit with the rotary rack, the end face gear penetrates through the joint of the support and the rotary rack and is in running fit with the rotary rack, the middle of the right side of the pinion is in an integrated structure with the shaft rod, the bottom of the pinion is meshed with the end face gear, the upper side and the lower side of the right part of the shaft rod are in running fit with the limiting column, the outer side of the limiting column is fastened with the rotary rack, the right side of the rotary rack is embedded in the circular cover, the right side of the inside of the circular cover is in.
Preferably, the driving frame includes the body of rod, bearing base and gear, the shaft coupling is inserted and rather than coaxial rotation in body of rod left side, bearing base right side is the integral structure with the gear to inside the running through of bearing base has the body of rod and rather than normal running fit, bearing base bottom is fixed mutually with the support, gear bottom meshes with face gear mutually.
Preferably, the clamping head comprises a rotating base, an adjusting bolt, a sliding groove and a clamping block, the top of the rotating base is nested in the inner side of the rotating frame and is in running fit with the rotating frame, a magnet is arranged on the inner side of the top of the rotating base, the adjusting bolt is embedded on the right side of the rotating base and is in running fit with the rotating base, the sliding groove is formed in the top of the rotating base, and the inner side of the sliding groove is in sliding fit with the clamping block.
Preferably, the rotating base comprises a disc, an annular groove, a rotating sheet and a bevel gear, the top of the disc is nested inside the rotating frame and is in rotating fit with the rotating frame, the annular groove is formed in the middle of the inner side of the disc, the rotating sheet is in rotating fit with the inner side of the annular groove, the bottom of the rotating sheet is meshed with the bevel gear, the bevel gear is in rotating fit with the inner side of the annular groove, and the bevel gear is fixed with the adjusting bolt.
Preferably, the rotating sheet comprises a sheet body, a rack surface and a spiral surface, the sheet body is in rotating fit with the inner side of the annular groove, the spiral surface and the rack surface are respectively arranged on the upper side and the lower side of the sheet body, the rack surface is meshed with the bevel gear, and the spiral surface is in rotating fit with the clamping block.
Preferably, the number of the latch blocks is three, and the angle between the three latch blocks is 120 degrees.
Preferably, the middle part of the left side of the rotating frame is provided with a through groove, and the length of the through groove is equal to the diameter of the face gear.
Preferably, the gear has the same shape and size as the pinion gear.
Preferably, a rotating shaft is arranged at the rotating position of the bracket and the rotating frame, and penetrates through the middle part of the face gear to be in rotating fit with the face gear.
Preferably, the fixture block comprises a clamping column, a sliding frame and a rack, the base is rotated, the bottom of the clamping column and the sliding frame are of an integrated structure, the sliding frame is in sliding fit with the sliding groove on the inner side, the rack is arranged on the inner side of the bottom of the sliding frame, and the bottom surface of the rack is in rotating fit with the spiral surface.
Preferably, the material used for the shaft rod is tungsten steel.
Preferably, the material used for the clamping column is stainless steel.
The invention has the following advantages: the invention provides an electric wrench for installing an electric steel pipe pole, which is improved by the following steps compared with the same type of equipment:
the advantages are that: according to the electric wrench for installing the electric steel pipe pole, the screwing head is arranged on the right side of the sleeve seat, the support is rotatably connected with the rotating frame, so that the rotating frame can be bent inside the support to extend into a crack, the clamping column moves on the rotating base to enable the size of the inner side to be suitable for bolts with different sizes, and the end face gear drives the pinion to rotate through the gear, so that the pinion drives the rotating base to rotate through the shaft rod, the rotating base drives the bolts to rotate, and the problems that the use at the included angle gap of the steel pipe pole is inconvenient, the operation of the electric wrench is inconvenient, and the working efficiency is influenced are solved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of a junction of the present invention;
FIG. 3 is an enlarged view of a portion of the invention at A in FIG. 2;
FIG. 4 is a schematic view of the connection structure of the gear and the face gear of the present invention;
FIG. 5 is a schematic view of the construction of the spinning head of the present invention;
FIG. 6 is a schematic view of the structure of the rotating base of the present invention;
FIG. 7 is a schematic view of a structural rotor of the present invention;
fig. 8 is a schematic structural diagram of the cartridge of the present invention.
Wherein: the device comprises a shield-1, a storage battery-2, a machine base-3, a motor-4, a coupling-5, a transmission frame-6, a sleeve seat-7, a screwing head-8, a control switch-9, a charging interface-10, a rod body-61, a bearing base-62, a gear-63, a rotating shaft-80, a bracket-81, a rotating frame-82, an end gear-83, a pinion-84, a shaft rod-85, a limiting column-86, a circular cover-87, a clamping head-88, a rotating base-881, an adjusting bolt-882, a sliding chute-883, a clamping block-884, a disc-8811, an annular groove-8812, a rotating sheet-8813, a conical gear-8814, a clamping column-8841, a sliding frame-8842, a rack-8843, a, Round piece-88131, rack face-88132, spiral face-88133.
Detailed Description
The present invention will be described in detail below with reference to fig. 1 to 8, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides an electric wrench for mounting an electric steel pipe rod, which comprises a protective cover 1, a storage battery 2, a machine base 3, a motor 4, a coupler 5, a transmission frame 6, a sleeve seat 7, a screwing joint 8, a control switch 9 and a charging interface 10, wherein the storage battery 2 is embedded in the protective cover 1, the right side of the protective cover 1 and the machine base 3 are in an integrated structure, the motor 4 is fixedly locked in the machine base 3 through screws, the output end of the right side of the motor 4 is coaxially rotated with the transmission frame 6 through the coupler 5, the right side of the machine base 3 is fixed with the sleeve seat 7, the control switch 9 is arranged on the right side of the top of the machine base 3, the charging interface 10 is arranged on the left side of the top of the protective cover 1, the motor 4, the control switch 9 and the charging interface 10 are all electrically connected with the storage battery 2, the charging interface 10 is electrically connected, the screwing head 8 consists of a bracket 81, a rotating frame 82, an end face gear 83, a pinion 84, a shaft lever 85, a limiting column 86, a circular cover 87 and a clamping head 88, wherein the left side of the bracket 81 is in rotating fit with the rotating frame 82 so as to adjust the angle between the bracket 81 and the rotating frame 82 and facilitate the use at a crack position, the end face gear 83 penetrates through the joint of the bracket 81 and the rotating frame 82 and is in rotating fit with the joint, the middle part of the right side of the pinion 84 is in an integrated structure with the shaft lever 85, the bottom of the pinion 84 is meshed with the end face gear 83, the end face gear 83 is driven to rotate by the pinion 84, the upper side and the lower side of the right part of the shaft lever 85 are in rotating fit with the limiting column 86, the outer side of the limiting column 86 is fastened with the rotating frame 82 so as to limit the position of the shaft lever 82 and prevent the deviation, the right side of the, the middle part of the left side of the clamping head 88 coaxially rotates with the shaft lever 85, and the shaft lever 85 drives the clamping head 88 to rotate, so that the clamping head 88 drives the bolt to rotate and screw.
Further, the driving frame 6 includes the body of rod 61, bearing base 62 and gear 63, body of rod 61 left side is inserted shaft coupling 5 and is rather than coaxial rotation, bearing base 62 right side is the integral structure with gear 63 to bearing base 62 is inside to run through has the body of rod 61 and rather than normal running fit, bearing base 62 bottom is fixed mutually with support 81, gear 63 bottom meshes with face gear 83 mutually, and body of rod 61 drives face gear 83 through gear 63 and rotates.
Further, the clamping head 88 includes rotating base 881, adjusting bolt 882, spout 883 and fixture block 884, rotating base 881 top nestification is in the rotating turret 82 inboard and rather than normal running fit, rotating base 881 top medial side is provided with magnet, rotating base 881 right side is inlayed adjusting bolt 882 and rather than normal running fit, rotating base 881 top has seted up spout 883, spout 883 inboard and fixture block 884 sliding fit are through fixture block 884 with the bolt chucking in rotating base 881 top medial side to with the bolt rotating.
Further, the rotating base 881 comprises a disk 8811, an annular groove 8812, a rotating piece 8813 and a conical gear 8814, the top of the disk 8811 is nested inside the rotating frame 82 and is rotatably matched with the rotating frame, the annular groove 8812 is disposed in the middle of the inner side of the disk 8811, the rotating piece 8813 is rotatably matched on the inner side of the annular groove 8812, the bottom of the rotating piece 8813 is meshed with the conical gear 8814, the conical gear 8814 is rotatably matched on the inner side of the annular groove 8812, the conical gear 8814 is fixed with the adjusting bolt 882, and the conical gear 8814 is driven by the adjusting bolt 882 to rotate, so that the rotating piece 8813 rotates.
Further, the rotating piece 8813 includes a circular piece 88131, a rack surface 88132 and a spiral surface 88133, the circular piece 88131 is rotatably fitted inside the annular groove 8812, the upper and lower sides of the circular piece 88131 are respectively provided with the spiral surface 88133 and the rack surface 88132, the rack surface 88132 is engaged with the conical gear 8814, the spiral surface 88133 is rotatably fitted with the latch 884, and the latch 884 is driven by the spiral surface 88133 to move on the rotating base 881 through the cooperation of the rack surface 88132 and the conical gear 8814.
Further, three blocks 884 are provided, and the angle between the three blocks 884 is 120 degrees, and the three blocks 884 are used for screwing bolts with different angles.
Furthermore, a through groove is formed in the middle of the left side of the rotating frame 82, and the length of the through groove is equal to the diameter of the face gear 83, so that the face gear 83 can rotate in the through groove conveniently.
Further, the shape and size of the gear 63 are the same as those of the pinion 84, and the gear is used as a power output end to drive the pinion 84 to rotate.
Furthermore, a rotating shaft 80 is arranged at the rotating position of the bracket 81 and the rotating frame 82, the rotating shaft 80 penetrates through the middle part of the face gear 83 to be in rotating fit with the face gear, and the rotating frame 82 rotates inside the bracket 81 through the rotating shaft 80.
Further, the latch 884 includes a latch 8841, a carriage 8842 and a rack 8843, the rotating base 881 is provided, the bottom of the latch 8841 is integrated with the carriage 8842, the carriage 8842 is slidably engaged with the inside of the sliding slot 883, the rack 8843 is disposed on the inside of the bottom of the carriage 8842, and the bottom of the rack 8843 is rotatably engaged with the spiral 88133, so as to drive the latch 8841 to move under the engagement between the rack 8843 and the spiral 88133, thereby facilitating the use of different bolts.
Further, the material used for the shaft 85 is tungsten steel.
Further, the material used for the catch 8841 is stainless steel.
The invention provides an electric wrench for mounting an electric steel pipe pole through improvement, and the working principle is as follows;
firstly, the storage battery 2 is fully charged through the charging interface 10, and then the design is taken to a position where the power steel pipe pole needs to be installed for use;
secondly, the adjusting bolt 882 is rotated, the adjusting bolt 882 drives the conical gear 8814 to rotate, the conical gear 8814 drives the spiral surface 88133 on the top of the disc 88131 to rotate through the rack surface 88132, so that the carriage 8842 moves in the sliding slot 883 under the cooperation of the bolt surface 88133 and the rack 8843, and the locking column 8841 moves inwards to change the size of the inner side of the locking column 8841 according to the size of the bolt;
thirdly, a bolt to be screwed is placed on the inner side of the clamping column 8841, a magnet on the rotating base 881 is used for assisting in tightly sucking the bolt, then the bolt is inserted into a connecting hole of the electric steel pipe, a forward rotation button of the control switch 9 is pressed to enable the motor 4 to rotate forward, the forward rotation of the motor 4 drives the gear 63 to rotate through the rod body 61, the gear 63 enables the pinion 84 to rotate through matching with the end face gear 83, the pinion 84 rotates to enable the shaft lever 85 to drive the rotating base 881 to rotate, and therefore the clamping column 8841 drives the bolt to rotate to be locked on the electric steel pipe rod;
fourthly, when the bolt needs to be screwed at the crack, the rotating frame 82 is only required to be rotated to be bent on the bracket 81, and the normal operation can be carried out under the matching of the end face gear 83 and the pinion 84;
fifthly, on the contrary, when the bolt needs to be detached, the motor 4 rotates reversely to drive the rotating base 881 to rotate reversely by only pressing the reverse button of the control switch 9, so that the bolt is screwed down.
The invention provides an electric wrench for installing an electric steel pipe pole through improvement, wherein a screwing head 8 is arranged on the right side of a sleeve seat 7, a support 81 is rotatably connected with a rotating frame 82, so that the rotating frame 82 is bent at the inner side of the support 81 to extend into a crack, a clamping column 8841 moves on a rotating base 881 to enable the inner side to adapt to bolts with different sizes, and then an end face gear 83 drives a pinion 84 to rotate through a gear 63, so that the pinion 84 drives the rotating base 881 to rotate through a shaft rod 85, the rotating base 881 drives the bolts to rotate, and the problems that the electric wrench is inconvenient to use at the crack of an included angle of the steel pipe pole, the operation of the electric wrench is inconvenient, and the working efficiency is influenced are solved.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described, and the standard parts used in the present invention are all available on the market, the special-shaped parts can be customized according to the description and the accompanying drawings, the specific connection mode of each part adopts the conventional means of bolt and rivet, welding and the like mature in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described herein.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An electric wrench for mounting an electric steel pipe rod comprises a protective cover (1), a storage battery (2), a machine base (3), a motor (4), a coupler (5), a transmission frame (6), a sleeve seat (7), a control switch (9) and a charging interface (10), wherein the storage battery (2) is embedded in the protective cover (1), the right side of the protective cover (1) and the machine base (3) are of an integrated structure, the motor (4) is fixedly locked in the machine base (3) through screws, the output end of the right side of the motor (4) coaxially rotates with the transmission frame (6) through the coupler (5), the right side of the machine base (3) is fixed with the sleeve seat (7), the control switch (9) is arranged on the right side of the top of the machine base (3), the charging interface (10) is arranged on the left side of the top of the protective cover (1), and the motor (4), the control switch (9) and the charging interface (10) are electrically connected with, the charging interface (10) is electrically connected with the storage battery (2), and the motor (4) is electrically connected with the control switch (9);
the method is characterized in that: the clamping device is characterized by further comprising a screwing head (8), the screwing head (8) is fastened to the right side of the sleeve seat (7), the screwing head (8) is composed of a support (81), a rotating frame (82), an end face gear (83), a pinion (84), a shaft lever (85), a limiting column (86), a circular cover (87) and a clamping head (88), the left side of the support (81) is in rotating fit with the rotating frame (82), the end face gear (83) penetrates through the joint of the support (81) and the rotating frame (82) and is in rotating fit with the joint, the middle of the right side of the pinion (84) and the shaft lever (85) are in an integrated structure, the bottom of the pinion (84) is meshed with the end face gear (83), the upper side and the lower side of the right portion of the shaft lever (85) are in rotating fit with the limiting column (86), the outer side of the limiting column (86) is fastened with the rotating frame (82), and the circular cover (87) on the right, and the right side inside the circular cover (87) is in running fit with the clamping head (88), and the middle part of the left side of the clamping head (88) rotates coaxially with the shaft lever (85).
2. The electric wrench for installing the electric steel pipe pole according to claim 1, wherein: the transmission frame (6) comprises a rod body (61), a bearing base (62) and a gear (63), the left side of the rod body (61) is inserted into the coupler (5) and rotates coaxially with the coupler, the right side of the bearing base (62) and the gear (63) are of an integrated structure, the bearing base (62) is internally penetrated by the rod body (61) and is in running fit with the rod body in a rotating mode, the bottom of the bearing base (62) is fixed with the support (81), and the bottom of the gear (63) is meshed with the end face gear (83).
3. The electric wrench for installing the electric steel pipe pole according to claim 1, wherein: clamping head (88) is including rotating base (881), adjusting bolt (882), spout (883) and fixture block (884), rotating base (881) top nestification in rotating turret (82) inboard and rather than normal running fit, rotating base (881) top medial side is provided with magnet, rotating base (881) right side is inlayed adjusting bolt (882) and is rather than normal running fit, spout (883) have been seted up at rotating base (881) top, spout (883) inboard and fixture block (884) sliding fit.
4. The electric wrench for installing the electric steel pipe pole according to claim 3, wherein: the rotating base (881) comprises a disc (8811), an annular groove (8812), a rotating sheet (8813) and a conical gear (8814), the top of the disc (8811) is nested inside the rotating frame (82) and is in rotating fit with the disc, the annular groove (8812) is formed in the middle of the inner side of the disc (8811), the rotating sheet (8813) is in rotating fit with the inner side of the annular groove (8812), the bottom of the rotating sheet (8813) is meshed with the conical gear (8814), the conical gear (8814) is in rotating fit with the inner side of the annular groove (8812), and the conical gear (8814) is fixed with the adjusting bolt (882).
5. The electric wrench for installing the electric steel pipe pole according to claim 4, wherein: the rotating piece (8813) comprises a round piece body (88131), a rack face (88132) and a spiral face (88133), the round piece body (88131) is rotationally matched with the inner side of the annular groove (8812), the spiral face (88133) and the rack face (88132) are respectively arranged on the upper side and the lower side of the round piece body (88131), the rack face (88132) is meshed with the bevel gear (8814), and the spiral face (88133) is rotationally matched with the clamping block (884).
6. The electric wrench for installing the electric steel pipe pole according to claim 3, wherein: the number of the clamping blocks (884) is three, and the angle between the three clamping blocks (884) is 120 degrees.
7. The electric wrench for installing the electric steel pipe pole according to claim 1, wherein: a through groove is formed in the middle of the left side of the rotating frame (82), and the length of the through groove is equal to the diameter of the face gear (83).
8. The electric wrench for installing the electric steel pipe pole according to claim 2, wherein: the gear (63) has the same shape and size as the pinion gear (84).
9. The electric wrench for installing the electric steel pipe pole according to claim 1, wherein: a rotating shaft (80) is arranged at the rotating position of the bracket (81) and the rotating frame (82), and the rotating shaft (80) penetrates through the middle part of the end face gear (83) to be in rotating fit with the end face gear.
10. The electric wrench for installing the electric steel pipe pole according to claim 6, wherein: the fixture block (884) comprises a fixture column (8841), a sliding frame (8842) and a rack (8843), the rotating base (881) is characterized in that the bottom of the fixture column (8841) and the sliding frame (8842) are of an integrated structure, the sliding frame (8842) is in sliding fit with the sliding frame (883) on the inner side of the sliding groove, the rack (8843) is arranged on the inner side of the bottom of the sliding frame (8842), and the bottom surface of the rack (8843) is in rotating fit with the spiral surface (88133).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911160609.4A CN110815108A (en) | 2019-11-23 | 2019-11-23 | Electric wrench for mounting electric power steel pipe pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911160609.4A CN110815108A (en) | 2019-11-23 | 2019-11-23 | Electric wrench for mounting electric power steel pipe pole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110815108A true CN110815108A (en) | 2020-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911160609.4A Pending CN110815108A (en) | 2019-11-23 | 2019-11-23 | Electric wrench for mounting electric power steel pipe pole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110815108A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111673592A (en) * | 2020-06-17 | 2020-09-18 | 龙岩市企信工业设计有限公司 | Improved generation packaging design is with automatic grinding device |
| CN113852010A (en) * | 2021-10-26 | 2021-12-28 | 广州德晟电力科技有限公司 | Special mounting tool for high-altitude live working robot wire clamp |
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| CN204354037U (en) * | 2014-12-31 | 2015-05-27 | 浙江机电职业技术学院 | Handheld manual presss from both sides loose bolt device |
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| CN108081189A (en) * | 2017-12-12 | 2018-05-29 | 大连理工大学 | It is a kind of to be useful in the link-type tightening mechanism tightened in inner-cavity structure and method |
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| KR20030016690A (en) * | 2001-08-21 | 2003-03-03 | 현대자동차주식회사 | Connector for an air tool in narrow work space |
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| CN204354037U (en) * | 2014-12-31 | 2015-05-27 | 浙江机电职业技术学院 | Handheld manual presss from both sides loose bolt device |
| CN205835131U (en) * | 2016-08-02 | 2016-12-28 | 国网安徽省电力公司检修公司 | Electric power overhaul spanner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111673592A (en) * | 2020-06-17 | 2020-09-18 | 龙岩市企信工业设计有限公司 | Improved generation packaging design is with automatic grinding device |
| CN113852010A (en) * | 2021-10-26 | 2021-12-28 | 广州德晟电力科技有限公司 | Special mounting tool for high-altitude live working robot wire clamp |
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Application publication date: 20200221 |